package top.lyjwn.todo.weinxin.mch.config;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.task.TaskExecutor;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;

import java.util.concurrent.ThreadPoolExecutor;

@Configuration
@EnableAsync
public class WinxinMchAsyncConfig {
    private static final Logger logger = LoggerFactory.getLogger(WinxinMchAsyncConfig.class);

    @Bean("weixinMchExecutor")
    public TaskExecutor feeHandleExecutor() {
        logger.info("start weixinMchExecutor");
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        //int core = Runtime.getRuntime().availableProcessors();
        int core = 8;
        //配置核心线程数
        executor.setCorePoolSize(core);
        //配置最大线程数
        executor.setMaxPoolSize(core * 2 + 1);
        // 允许线程空闲时间（单位：默认为秒）
        executor.setKeepAliveSeconds(5);
        //配置队列大小
        executor.setQueueCapacity(500);
        //配置线程池中的线程的名称前缀
        executor.setThreadNamePrefix("async-service-weixinMch");

        // rejection-policy：当pool已经达到max size的时候，如何处理新任务
        // CALLER_RUNS：不在新线程中执行任务，而是有调用者所在的线程来执行
        executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
        executor.setWaitForTasksToCompleteOnShutdown(true);
        //执行初始化
        executor.initialize();
        return executor;

    }
}

